The ocean is full of plastic. Not big pieces of plastic, as you've probably heard, but tiny bits of plastic. Microplastic. Plastic that hasn't decomposed, but broken down into small pieces that are incredibly durable. We've found this stuff throughout the world's oceans, at every depth. What kind of environmental impact does it have?

In this, the latest installation of MinuteEarth, Henry Reich serves up a quick explanation on "ocean confetti" and the risks it poses. For more in-depth information, see here and here.